diff --git a/model-based-configurable-nat/src/main/java/org/onosproject/model/based/configurable/nat/StateListenerNew.java b/model-based-configurable-nat/src/main/java/org/onosproject/model/based/configurable/nat/StateListenerNew.java
index 9c746f99..38a47b47 100644
--- a/model-based-configurable-nat/src/main/java/org/onosproject/model/based/configurable/nat/StateListenerNew.java
+++ b/model-based-configurable-nat/src/main/java/org/onosproject/model/based/configurable/nat/StateListenerNew.java
@@ -71,7 +71,7 @@
  * @author lara
  */
 public class StateListenerNew extends Thread{
-    private static final String YINFILE = "configuration/yinFile.txt";
+    private static final String YINFILE = "configuration/yinFile.json";
     private static final String YANGFILE = "configuration/yangFile.yang";
     private static final String MAPPINGFILE = "configuration/mappingFile.txt";  
     private String AppId;
diff --git a/model-based-configurable-nat/src/main/resources/configuration/yinFile.txt b/model-based-configurable-nat/src/main/resources/configuration/yinFile.json
similarity index 100%
rename from model-based-configurable-nat/src/main/resources/configuration/yinFile.txt
rename to model-based-configurable-nat/src/main/resources/configuration/yinFile.json